EP4052968A1 - Hochspannungsleistungsverteiler - Google Patents

Hochspannungsleistungsverteiler Download PDF

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Publication number
EP4052968A1
EP4052968A1 EP21159999.8A EP21159999A EP4052968A1 EP 4052968 A1 EP4052968 A1 EP 4052968A1 EP 21159999 A EP21159999 A EP 21159999A EP 4052968 A1 EP4052968 A1 EP 4052968A1
Authority
EP
European Patent Office
Prior art keywords
fuse
busbar
cable
high voltage
voltage power
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
EP21159999.8A
Other languages
English (en)
French (fr)
Inventor
Pawel OLEK
Jakub Walkowski
Tomasz SLIZOWSKI
Karol Janicki
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Aptiv Technologies AG
Original Assignee
Aptiv Technologies Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Aptiv Technologies Ltd filed Critical Aptiv Technologies Ltd
Priority to EP21159999.8A priority Critical patent/EP4052968A1/de
Priority to US17/681,024 priority patent/US11908653B2/en
Priority to CN202210188291.6A priority patent/CN115084956A/zh
Publication of EP4052968A1 publication Critical patent/EP4052968A1/de
Pending legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R27/00—Coupling parts adapted for co-operation with two or more dissimilar counterparts
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H85/00—Protective devices in which the current flows through a part of fusible material and this current is interrupted by displacement of the fusible material when this current becomes excessive
    • H01H85/54—Protective devices wherein the fuse is carried, held, or retained by an intermediate or auxiliary part removable from the base, or used as sectionalisers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R16/00—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for
    • B60R16/02—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements
    • B60R16/023—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements for transmission of signals between vehicle parts or subsystems
    • B60R16/0238—Electrical distribution centers
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H85/00—Protective devices in which the current flows through a part of fusible material and this current is interrupted by displacement of the fusible material when this current becomes excessive
    • H01H85/0013—Means for preventing damage, e.g. by ambient influences to the fuse
    • H01H85/0017—Means for preventing damage, e.g. by ambient influences to the fuse due to vibration or other mechanical forces, e.g. centrifugal forces
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H85/00—Protective devices in which the current flows through a part of fusible material and this current is interrupted by displacement of the fusible material when this current becomes excessive
    • H01H85/0013—Means for preventing damage, e.g. by ambient influences to the fuse
    • H01H85/0021—Means for preventing damage, e.g. by ambient influences to the fuse water or dustproof devices
    • H01H85/0026—Means for preventing damage, e.g. by ambient influences to the fuse water or dustproof devices casings for the fuse and its base contacts
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H85/00—Protective devices in which the current flows through a part of fusible material and this current is interrupted by displacement of the fusible material when this current becomes excessive
    • H01H85/02—Details
    • H01H85/20—Bases for supporting the fuse; Separate parts thereof
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/46—Bases; Cases
    • H01R13/53—Bases or cases for heavy duty; Bases or cases for high voltage with means for preventing corona or arcing
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/66—Structural association with built-in electrical component
    • H01R13/68—Structural association with built-in electrical component with built-in fuse
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R25/00—Coupling parts adapted for simultaneous co-operation with two or more identical counterparts, e.g. for distributing energy to two or more circuits
    • H01R25/14—Rails or bus-bars constructed so that the counterparts can be connected thereto at any point along their length
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R43/00—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors
    • H01R43/20—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors for assembling or disassembling contact members with insulating base, case or sleeve
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R43/00—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors
    • H01R43/28—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors for wire processing before connecting to contact members, not provided for in groups H01R43/02 - H01R43/26
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H85/00—Protective devices in which the current flows through a part of fusible material and this current is interrupted by displacement of the fusible material when this current becomes excessive
    • H01H85/02—Details
    • H01H85/20—Bases for supporting the fuse; Separate parts thereof
    • H01H85/201—Bases for supporting the fuse; Separate parts thereof for connecting a fuse in a lead and adapted to be supported by the lead alone
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H85/00—Protective devices in which the current flows through a part of fusible material and this current is interrupted by displacement of the fusible material when this current becomes excessive
    • H01H85/02—Details
    • H01H85/20—Bases for supporting the fuse; Separate parts thereof
    • H01H85/203—Bases for supporting the fuse; Separate parts thereof for fuses with blade type terminals
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R2201/00—Connectors or connections adapted for particular applications
    • H01R2201/26—Connectors or connections adapted for particular applications for vehicles
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
    • H02G15/00—Cable fittings
    • H02G15/08—Cable junctions
    • H02G15/10—Cable junctions protected by boxes, e.g. by distribution, connection or junction boxes
    • H02G15/115—Boxes split perpendicularly to main cable direction

Definitions

  • the present disclosure relates to a high voltage power distributor for providing a high voltage power cable with a spliced and fused power connection for use as a power supply for auxiliary car equipment.
  • FIG. 5 shows a conventional solution for a splicing connection of a high-voltage power cable wherein two high-voltage main cables A and B and an auxiliary outlet cable C are connected to each other by means of soldering to form a splice D.
  • the auxiliary outlet cable C having a reduced thickness as compared to the main power cables A and B is soldered at its first end to the splice D and at its second end the auxiliary outlet cable C is connected to a fuse E to which an auxiliary car equipment can be connected. Due to the flexible connection between the main power cables A and B and the fuse E by means of the auxiliary outlet cable C, this splicing connection requires manual assembly work and is prone to rattling.
  • the present disclosure provides a high voltage power distributor and a method for manufacturing a high voltage power distributor according to the independent claims. Embodiments are given in the subclaims, the description and the drawings.
  • the present disclosure is directed to a high voltage power distributor comprising an isolated high voltage power cable, a fuse mechanically connected to a fuse holder and a busbar that is electrically connected at a first end thereof to the cable and at a second end thereof to the fuse. Further, a housing is provided for accommodating the fuse, the fuse holder, the busbar and at least a portion of the cable.
  • the high voltage power distributor according to this embodiment provides a stable and robust device comprising only a small number of components thereby allowing a short assembly and process time. Due to the provision of a busbar within the power distributor and between the cable and the fuse a robust assembly is provided which can be used for splicing high voltage cables to provide a power supply for auxiliary car equipment.
  • the cable in the housing is uninterrupted and the busbar is connected to a non-insulated section of the cable.
  • This embodiment avoids to cut the cable and/or to connect two ends of the cable with a third cable leading to the fuse.
  • it is merely required to connect the busbar to the non-insulated section of the cable for providing a splice such that only one interface between the cable and the busbar is required. Simultaneously, high pull-out forces are realized.
  • the busbar is welded to the cable, for example by means of ultrasonic welding.
  • the welding process is simple and does not require a cable bending or a positioning of cable ends.
  • the fuse holder comprises a slot for receiving an end of the busbar. Due to the provision of a slot the busbar can be located within the fuse holder such that no further adjustment is required in order to connect the busbar and the fuse, for example by means of a screw and nut connection. Furthermore, the accommodation of the busbar within a slot provides a stable fixation of the busbar within the fuse holder.
  • the slot supports the busbar at four sides thereof which improves the fixation of the busbar within the fuse holder.
  • At least one biased spring element is provided between the fuse holder and the housing. This provides an anti-vibration solution because the spring elements biases the fuse holder against the housing to exclude a relative movement between the fuse holder and the housing. If the spring forces of at least two spring elements are oriented perpendicular to each other, any vibration is effectively avoided.
  • the spring element is connected to the fuse holder, for example integrally molded with the fuse holder.
  • the fuse holder is L-shaped such that the busbar and the fuse may be oriented under an angle of 90° to each other. If this is the case, the fuse holder and the fuse can be arranged in parallel with the cable wherein the busbar extends transverse to the cable and the fuse.
  • the cable extends in a substantially straight line through the housing. This facilitates the manufacture of the device, avoids any unwanted bending and allows for a compact design of the distributor.
  • the busbar comprises an enlarged welding platform.
  • Such welding platform can for example be provided by an enlarged width of the busbar at this end of the busbar which is welded to the cable, as compared to the other end of the busbar which is connected to the fuse.
  • the fuse is rigidly connected to the cable, for example by means of the busbar such that a robust and stable assembly of the cable, the busbar and the fuse is achieved. This is in contrast to a flexible connection, e.g. by means of a cable.
  • the present disclosure is directed at a method of manufacturing a high voltage power distributor as described above, wherein an insulation of an insulated high voltage power cable is partly removed, a busbar is electrically connected at a first end thereof to the non-insulated section of the cable and at a second end thereof to a fuse. Further, the fuse is connected to a fuse holder and the cable, the busbar, the fuse and the fuse holder are accommodated in a housing.
  • the busbar is inserted into a slot of the fuse holder before establishing the electrical connection between the busbar and the fuse.
  • the fuse holder and the fuse are inserted into the housing while biasing a spring element between the fuse holder and the housing.
  • Fig. 1 depicts an exploded view of a high voltage power distributor for use in automotive applications comprising an isolated high voltage power main cable 10, a fuse 12 mechanically connected to a fuse holder 14 and a busbar 16 that is electrically connected at a first end thereof to the main cable 10 and at a second end thereof to the fuse 12. Furthermore, a housing is provided that comprises two parts 18 and 20 and accommodates the fuse 12, the fuse holder 14, the busbar 16 and at least a portion of the main cable 10. Although Fig. 1 illustrates that the main cable 10 does not extend outside of the housing, is evident that the main cable 10 can be led through the housing such as to extend through the outer ends of the housing. In other embodiments the main cable 10 can be provided with terminals for connecting the main cable 10 to other cables.
  • the main cable 10 is generally insulated and extends continuously through the housing 18, 20 along a substantially straight line.
  • the main cable 10 comprises a non-insulated section 22 where the insulation has been removed and the busbar 16 is welded to this non-insulated section 22, for example by means of ultrasonic welding.
  • the busbar 16 is made of metal and is generally strip-shaped with a mounting hole 24 provided at one end of the busbar. At the other end of the busbar a welding platform 26 is provided having the shape of a rectangle and having an enlarged width as compared to the strip-shaped remainder of the busbar 16.
  • the fuse holder 14 is integrally formed of an electrically insulating material, wherein two nuts 28 and 30 are overmolded to receive respectively one screw 32 and 34 for mounting the fuse 12 to the fuse holder 14.
  • the fuse holder 14 is generally L-shaped wherein one (longer) limb of the L receives the fuse 12 and the other (shorter) limb provides a slot 36 for receiving an end of the busbar 16.
  • the slot 36 has a rectangular cross-section which corresponds to the cross-section of the busbar 16 whereby the slot 36 supports the busbar 16 at four sides thereof.
  • the slot 36 is formed by a base 38, two sidewalls 40 and 42 and two wings 44 and 46 that prevent a rotation of the busbar 16 relative to the fuse holder 14.
  • the base 38 of the slot 36 is provided with two parallel slide rails 41 and 43 for supporting the bus bar.
  • the wings 44 and 46 are slightly biased such that the bus bar 16 is pressed against the slides 41 and 43.
  • the busbar 16 can be inserted into the slot 36 of the fuse holder 14 until the mounting hole 24 is aligned with a through-hole of the fuse 12 in order to allow the screw 34 to be inserted through the fuse 12 and the busbar 16 for connection with the nut 30.
  • the screw 32 is used to connect a terminal 29 of an auxiliary outlet cable (not shown) with the fuse 12 when the screw 32 is screwed into the nut 28.
  • the auxiliary outlet cable can exit the cylindrical section 19 of the housing 18 through an outlet opening 23.
  • housing part 18 comprises a cylindrical section 19 adapted to receive the assembly of the terminal 29, the fuse holder 14 and the fuse 12.
  • the fuse holder 14 is provided at one side wall 15 ( Fig. 3 ) thereof with integrally formed spring elements 48 and 50.
  • a further spring element 51 is provided at an adjacent side wall 17 of the fuse holder wherein the spring forces of the two spring elements 48 and 50 on the one hand and of the spring element 51 on the other hand are oriented perpendicular to each other, to exclude an vibration of the fuse and the fuse holder relative to the housing.
  • a further spring element 53 ( Figs. 2 and 3 ) is provided at a third sidewall 21 ( Fig. 3 ) of the fuse holder 14. This spring element 53 urges against a wall of the housing part 20 when the housing is fully closed such to avoid a movement of the fuse holder 14 and the fuse 12 within the housing.
  • the fuse holder 14 comprises a receptacle 13 having a semi-circular cross-section with a radius R for accommodating the fuse 12.
  • a single one-piece seal 52 is inserted between the two housing parts 18 and 20 which can be connected to each other by means of clips 54 at the housing part 20 to engage hooks 56 at the housing part 18.
  • covers 60 and 62 can be clipped onto the housing parts 18 and 20 with a seal 64 and 66 being provided between each cover 60, 62 and the housing parts 18 and 20.
  • the insulation of the insulated high voltage power main cable 10 is partly removed to provide the non-insulated section 22. Thereafter, this section 22 is welded to the welding platform 26 of the busbar 16 wherein the busbar is oriented generally rectangular in relation to the main cable 10, as shown in Fig. 1 . Thereafter, the busbar 16 is inserted into the slot 36 of the fuse holder 14 and the fuse 12 is electrically connected to the busbar 16 by screwing the screw 34 into the nut 30. This also provides a fixed and reliable mechanical connection between the busbar 16, the fuse holder 14 and the fuse 12. At the other end of the fuse 12 the screw 32 is used to connect the terminal 29 of an auxiliary outlet cable with the fuse 12 and to provide also a mechanical connection between the fuse 12 and the fuse holder 14.
  • a stable assembly is provided that comprises the main cable 10, the busbar 16, the fuse holder 14, the fuse 12 and the terminal 29. This assembly is thereafter inserted into the housing part 18 while biasing the spring elements 48, 50 and 51 between the fuse holder 14 and the housing part 18.
  • the housing can be closed by clipping the housing part 20 onto the housing part 18.
  • the disclosed power distributor provides versatile outlets for main power cables having a cross-section of 25 mm 2 , 35 mm 2 , 50 mm 2 , 70 mm 2 or 95 mm 2 .
  • the outlet opening 23 for the auxiliary outlet cable may be designed to accommodate auxiliary outlet cables having a cross-section of 4 mm 2 or 6 mm 2 .
  • the fuse may have a value of 40 A.

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Fuses (AREA)
EP21159999.8A 2021-03-01 2021-03-01 Hochspannungsleistungsverteiler Pending EP4052968A1 (de)

Priority Applications (3)

Application Number Priority Date Filing Date Title
EP21159999.8A EP4052968A1 (de) 2021-03-01 2021-03-01 Hochspannungsleistungsverteiler
US17/681,024 US11908653B2 (en) 2021-03-01 2022-02-25 High voltage power distributor
CN202210188291.6A CN115084956A (zh) 2021-03-01 2022-02-28 高电压电力分配器

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP21159999.8A EP4052968A1 (de) 2021-03-01 2021-03-01 Hochspannungsleistungsverteiler

Publications (1)

Publication Number Publication Date
EP4052968A1 true EP4052968A1 (de) 2022-09-07

Family

ID=74853532

Family Applications (1)

Application Number Title Priority Date Filing Date
EP21159999.8A Pending EP4052968A1 (de) 2021-03-01 2021-03-01 Hochspannungsleistungsverteiler

Country Status (3)

Country Link
US (1) US11908653B2 (de)
EP (1) EP4052968A1 (de)
CN (1) CN115084956A (de)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20030205398A1 (en) * 2000-10-26 2003-11-06 Sumitomo Wiring Systems, Ltd. Electrical junction box for a vehicle
EP2426687A2 (de) * 2010-09-03 2012-03-07 Cooper Technologies Company Modularer Sicherungshalter
EP1947744B1 (de) * 2007-01-17 2013-05-01 Nissan Motor Co., Ltd. Stromversorgungsschaltanschluss und Verfahren zum Anschließen der Stromversorgungsschaltung
WO2017032762A1 (de) * 2015-08-27 2017-03-02 Phoenix Contact Gmbh & Co.Kg Elektrische kabelbaugruppe

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5645448A (en) * 1995-10-16 1997-07-08 Yazaki Corporation Battery connecting module with fuse mounting
US5643693A (en) * 1995-10-30 1997-07-01 Yazaki Corporation Battery-mounted power distribution module
DE102009027660B4 (de) 2009-07-13 2015-02-05 Tyco Electronics Amp Gmbh Steckverbinder mit einem Sperrelement und Gehäuse mit einem Sperrelement.
GB201118499D0 (en) 2011-10-26 2011-12-07 Delphi Tech Inc Two-part electrical connector
EP2863489A1 (de) 2013-10-16 2015-04-22 Delphi Technologies, Inc. Steckverbinderanordnung mit integriertem Hebelverriegelungssystem
EP3322041B1 (de) 2016-11-09 2019-10-30 Aptiv Technologies Limited Steckverbinderanordnung mit integriertem hebelverriegelungssystem

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20030205398A1 (en) * 2000-10-26 2003-11-06 Sumitomo Wiring Systems, Ltd. Electrical junction box for a vehicle
EP1947744B1 (de) * 2007-01-17 2013-05-01 Nissan Motor Co., Ltd. Stromversorgungsschaltanschluss und Verfahren zum Anschließen der Stromversorgungsschaltung
EP2426687A2 (de) * 2010-09-03 2012-03-07 Cooper Technologies Company Modularer Sicherungshalter
WO2017032762A1 (de) * 2015-08-27 2017-03-02 Phoenix Contact Gmbh & Co.Kg Elektrische kabelbaugruppe

Also Published As

Publication number Publication date
US11908653B2 (en) 2024-02-20
US20220392728A1 (en) 2022-12-08
CN115084956A (zh) 2022-09-20

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